CVE-2025-30006: Xorcom CompletePBX <= 5.2.35 Reflected Cross-Site Scripting

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-03-31 · updated 2026-10-29
Weakness: CWE-79

Description

Xorcom CompletePBX is vulnerable to a reflected cross-site scripting (XSS) in the administrative control panel. This issue affects CompletePBX: all versions up to and including 5.2.35

Affected products

Xorcom CompletePBX: before 5.2.36.1 — fixed in 5.2.36.1
Xorcom CompletePBX: through 5.2.35

How to fix

Upgrade to a fixed version: Xorcom CompletePBX 5.2.36.1. Check the vendor advisory for mitigations.

References

https://vulncheck.com/advisories/completepbx-reflected-xss
https://www.xorcom.com/new-completepbx-release-5-2-36-1/

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